| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.51 | -0.15 |
| Feb | 3.19 | 3.25 | -0.06 |
| Mar | 3.35 | 3.53 | -0.18 |
| Apr | 3.23 | 3.33 | -0.10 |
| May | 3.75 | 3.78 | -0.03 |
| Jun | 4.69 | 4.88 | -0.19 |
| Jul | 5.07 | 5.22 | -0.15 |
| Aug | 5.43 | 5.49 | -0.06 |
| Sep | 5.25 | 5.46 | -0.21 |
| Oct | 3.44 | 3.66 | -0.22 |
| Nov | 3.09 | 3.26 | -0.17 |
| Dec | 3.36 | 3.53 | -0.17 |
47.21 | 48.90 | -1.69 |